13900902502 has 8 divisors (see below), whose sum is σ = 20863390896. Its totient is φ = 6946438872.

The previous prime is 13900902473. The next prime is 13900902571. The reversal of 13900902502 is 20520900931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001858 + ... + 2008789.

It is an arithmetic number, because the mean of its divisors is an integer number (2607923862).

Almost surely, 2^13900902502 is an apocalyptic number.

13900902502 is a deficient number, since it is larger than the sum of its proper divisors (6962488394).

13900902502 is a wasteful number, since it uses less digits than its factorization.

13900902502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012382.

The product of its (nonzero) digits is 4860, while the sum is 31.

The spelling of 13900902502 in words is "thirteen billion, nine hundred million, nine hundred two thousand, five hundred two".